[Event "Florianopolis op"]
[Site "Florianopolis"]
[Date "1999.??.??"]
[Round "2"]
[White "Becker Filho, Zeno Antonio"]
[Black "Machado, Rafael Pereira"]
[Result "0-1"]
[ECO "B94"]
[PlyCount "84"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. Bg5 e6 8. Qd2 b5 9. Bb3 Qc7 10. f3 Be7 11. 0-0-0 Bb7 12. a3 Nc5 13. Rhe1 Nxb3+ 14. Nxb3 Rd8 15. Re3 h6 16. Bxf6 Bxf6 17. Rd3 d5 18. g3 dxe4 19. Rxd8+ Bxd8 20. f4 Bf6 21. Nc5 Bxc3 22. Qxc3 0-0 23. Qd4 Rc8 24. b4 Bd5 25. Rd2 a5 26. Nxe4 axb4 27. axb4 Ra8 28. Nc3 Bc4 29. Kb2 Qb7 30. Kc1 Ra1+ 31. Nb1 Ra4 32. c3 Qh1+ 33. Rd1 Qxh2 34. Qe4 Bd5 35. Qd3 Ra2 36. Rd2 Qg1+ 37. Rd1 Qb6 38. Rd2 Ra1 39. Kb2 Qa7 40. Kc1 Ba2 41. Kb2 Rxb1+ 42. Qxb1 Bxb1 0-1

[Event "Florianopolis op"]
[Site "Florianopolis"]
[Date "1999.??.??"]
[Round "5"]
[White "Machado, Rafael Pereira"]
[Black "Choma, Alexandre Pedro"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "80"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. c4 Nb6 5. d4 Bg4 6. Be2 e6 7. 0-0 Be7 8. Be3 0-0 9. Nbd2 Nc6 10. a3 a5 11. Qc2 Bf5 12. Bd3 Bxd3 13. Qxd3 Bf6 14. Ne4 Nd7 15. Nfg5 g6 16. Nxf6+ Nxf6 17. Nf3 e5 18. Nd2 Nxd4 19. Bh6 Re8 20. Ne4 Nxe4 21. Qxe4 c6 22. Rad1 Qf6 23. f4 Qf5 24. Qe3 Nc2 25. Qd2 exf4 26. Rxf4 Qc5+ 27. Kh1 Ne3 28. Qc3 Qe5 29. Qxe5 Rxe5 30. Re1 Nxc4 31. Rxe5 Nxe5 32. Re4 Rd8 33. Kg1 f6 34. Be3 Kf7 35. h3 Rd1+ 36. Kh2 Re1 37. Kg3 Nd3 38. Kf3 Nxb2 39. Rd4 b5 40. Rd6 Rxe3+ 0-1

[Event "Florianopolis op"]
[Site "Florianopolis"]
[Date "1999.??.??"]
[Round "1"]
[White "Machado, Rafael Pereira"]
[Black "Chrestani, Gilson Luiz"]
[Result "1/2-1/2"]
[ECO "B47"]
[PlyCount "106"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Ndb5 Qb8 7. Be3 a6 8. Nd4 b5 9. Be2 Nf6 10. 0-0 b4 11. Nxc6 dxc6 12. Na4 Nd7 13. Qd2 Bd6 14. f4 0-0 15. e5 Be7 16. Rad1 c5 17. Bc4 Nb6 18. Nxb6 Qxb6 19. Qf2 Ra7 20. g4 Rc7 21. f5 f6 22. Qg3 Kh8 23. fxe6 Bxe6 24. exf6 Rxf6 25. Rxf6 Bxf6 26. Rd6 Rc6 27. Rxc6 Qxc6 28. Bxe6 Qxe6 29. Qb8+ Qg8 30. Qxg8+ Kxg8 31. Bxc5 Bxb2 32. Bxb4 Kf7 33. Kf2 Ke6 34. Ke2 Kd5 35. Kd2 Be5 36. h3 Kc4 37. Ba5 Bf6 38. Bc7 Bc3+ 39. Ke3 a5 40. h4 a4 41. Ke2 g6 42. Bg3 Bf6 43. Be1 Bd4 44. Kf3 Bc3 45. Ke2 Bd4 46. Ba5 Bf6 47. h5 gxh5 48. gxh5 Bd4 49. Kd2 Bf6 50. c3 Be5 51. Kc2 Bf6 52. Kb2 Be7 53. Bb6 Bd6 1/2-1/2

[Event "Florianopolis op"]
[Site "Florianopolis"]
[Date "1999.??.??"]
[Round "3"]
[White "Machado, Rafael Pereira"]
[Black "Loss, Marcos"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "93"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bb5 Bc5 4. Nf3 Nge7 5. 0-0 0-0 6. Nd5 d6 7. c3 Nxd5 8. exd5 Ne7 9. b4 Bb6 10. Qb3 a6 11. Be2 Bg4 12. d3 Ng6 13. h3 Bf5 14. Bg5 Qc8 15. Nh2 h6 16. Bd2 Kh8 17. Ng4 Bd7 18. c4 f5 19. Ne3 Nf4 20. Bf3 Bd4 21. Bc3 Bxc3 22. Qxc3 Qd8 23. Kh2 Qg5 24. c5 Rac8 25. c6 bxc6 26. dxc6 Be6 27. g3 Nxh3 28. Bd5 Qf6 29. Qc4 Nf4 30. gxf4 Qh4+ 31. Kg1 Bxd5 32. Qxd5 exf4 33. Ng2 Qg4 34. f3 Qg5 35. Qc4 Qe7 36. Rae1 Qf6 37. Re6 Qb2 38. Nxf4 Rb8 39. Ng6+ Kh7 40. Nxf8+ Rxf8 41. Rf2 Qb1+ 42. Kh2 Rb8 43. Rxh6+ gxh6 44. Qf7+ Kh8 45. Rg2 Qa1 46. Rg6 Qb2+ 47. Kh3 1-0

[Event "Florianopolis op"]
[Site "Florianopolis"]
[Date "1999.??.??"]
[Round "4"]
[White "Prates, Fabiano Fortes"]
[Black "Machado, Rafael Pereira"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2229"]
[PlyCount "65"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 Nbd7 5. d3 e6 6. f4 Qc7 7. Nf3 Be7 8. 0-0 Rb8 9. a4 a6 10. Qe2 b5 11. e5 dxe5 12. fxe5 Ng4 13. axb5 axb5 14. Bf4 h5 15. Nd5 Qd8 16. Nxe7 Qxe7 17. Ng5 Rb6 18. Ra7 f6 19. exf6 gxf6 20. Bc7 fxg5 21. Bxb6 Qd6 22. Bc7 Qd4+ 23. Kh1 Ke7 24. c3 Qg7 25. h3 Nh6 26. Be5 Qg8 27. Bf6+ Kd6 28. Rxd7+ Kxd7 29. Qf3 Ke8 30. Qc6+ Kf7 31. Bxh8+ Nf5 32. Rxf5+ Kg6 33. Rf6+ 0-1

[Event "Florianopolis op"]
[Site "Florianopolis"]
[Date "1999.??.??"]
[Round "6"]
[White "Serpa, Patricia"]
[Black "Machado, Rafael Pereira"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "73"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 c5 4. e3 Bg7 5. Nf3 0-0 6. Be2 d6 7. 0-0 Bg4 8. b3 cxd4 9. Nxd4 Bxe2 10. Ncxe2 Nc6 11. Bb2 Qd7 12. Rc1 Ng4 13. Qd2 Nge5 14. Nxc6 Qxc6 15. Nf4 Rfd8 16. Nd5 Qd7 17. Bc3 Re8 18. Rfd1 Nc6 19. Bxg7 Kxg7 20. Qc3+ Kg8 21. c5 Qd8 22. cxd6 Rc8 23. d7 Qxd7 24. Nf6+ exf6 25. Rxd7 Kg7 26. Rd6 Re6 27. Rxe6 fxe6 28. Rd1 Ne7 29. Qb4 Rc7 30. Qd6 Nd5 31. e4 Rc6 32. Qd7+ Kh6 33. exd5 exd5 34. h3 Rc2 35. Rxd5 Rxa2 36. Qf7 Ra6 37. Qf8# 1-0

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "1"]
[White "Esplana Huaman, Christian"]
[Black "Machado, Rafael Pereira"]
[Result "1-0"]
[ECO "B70"]
[PlyCount "47"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. 0-0 0-0 8. Bg5 Nc6 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Bd3 Re8 13. Kh1 Bxd3 14. cxd3 Nc6 15. Qe2 e6 16. fxg6 fxg6 17. Rf2 h6 18. Bh4 g5 19. Bg3 a6 20. Raf1 Rf8 21. h4 Qd7 22. hxg5 hxg5 23. Qe3 Bh6 24. Rxf6 1-0

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "6"]
[White "Fier, Alexandr"]
[Black "Machado, Rafael Pereira"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "83"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Bxg5+ 14. Kb1 Ne5 15. Qh5 Bf6 16. fxe6 g6 17. Nd5 Qd8 18. exf7+ Kxf7 19. Qe2 Bg4 20. Qd2 Bxd1 21. Qxd1 Re8 22. Bh3 Kg8 23. Rf1 Bg7 24. Be6+ Kh8 25. h4 Rf8 26. Rh1 Rf2 27. h5 Qg5 28. hxg6 Nxg6 29. Nf3 Qg3 30. Rh3 Qg2 31. Ne3 Rf1 32. Qxf1 Qxf1+ 33. Nxf1 Rf8 34. Bf5 Kg8 35. Ng5 Be5 36. Rxh7 Nf4 37. Ne3 Bf6 38. Rh1 Bxg5 39. Rg1 Kg7 40. Rxg5+ Kf6 41. Rg4 Ke5 42. c4 1-0

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "3"]
[White "Guerra Solis, Daniel"]
[Black "Machado, Rafael Pereira"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "45"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 d6 3. Bc4 Nf6 4. dxc5 Qa5+ 5. Nc3 Qxc5 6. Bb3 g6 7. Be3 Qc7 8. Bd4 Bg7 9. Nd5 Qd8 10. Nxf6+ exf6 11. Bc3 0-0 12. Qd3 Qe7 13. 0-0-0 Rd8 14. Nf3 Nc6 15. Nd4 f5 16. Rhe1 Nxd4 17. Bxd4 Bxd4 18. Qxd4 Qg5+ 19. Kb1 Qxg2 20. exf5 Bxf5 21. Re7 Rd7 22. Bxf7+ Kf8 23. Bd5 1-0

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "1"]
[White "Machado, Rafael Pereira"]
[Black "Achutti, Andre"]
[Result "0-1"]
[ECO "C66"]
[PlyCount "56"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 d6 5. Nc3 Be7 6. d4 exd4 7. Nxd4 Bd7 8. Nxc6 bxc6 9. Bc4 0-0 10. f4 d5 11. exd5 Bc5+ 12. Kh1 Ng4 13. Ne4 Nxh2 14. Qh5 Nxf1 15. dxc6 Bf5 16. Qxf5 Qh4+ 17. Qh3 Qxh3+ 18. gxh3 Ne3 19. Bxf7+ Rxf7 20. Nxc5 Nxc2 21. Rb1 Rd8 22. Nd7 Nb4 23. Be3 Nxc6 24. Nc5 Re7 25. Bf2 Re2 26. Bh4 Rdd2 27. Kg1 Nd4 28. Be1 Nf3+ 0-1

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "4"]
[White "Machado, Rafael Pereira"]
[Black "Araujo Filho, Luiz Antonio"]
[Result "0-1"]
[ECO "B17"]
[PlyCount "102"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Qd3 g6 9. Bf4 Bg7 10. 0-0-0 0-0 11. Qe3 Qb6 12. Nd2 Ng4 13. Qe2 Qxd4 14. Nc4 Qxf2 15. Qf1 Be6 16. Ne3 Qxf1 17. Rhxf1 Rad8 18. Nxg4 Bxg4 19. Rde1 e5 20. Be3 a6 21. Bb6 Rd7 22. Kb1 Be6 23. Rd1 Rxd1+ 24. Rxd1 f5 25. Bf3 e4 26. Be2 Be5 27. g3 Rf7 28. Rd2 Rd7 29. Be3 Rxd2 30. Bxd2 Bd4 31. Bf4 Bf6 32. c3 g5 33. Bd6 Kf7 34. a3 Bb3 35. Kc1 Ke6 36. Bc7 h6 37. Kd2 Be5 38. Bxe5 Kxe5 39. Ke3 b5 40. Kd2 f4 41. Bg4 Bc4 42. Bh5 Kf5 43. Bd1 e3+ 44. Ke1 Ke4 45. b3 e2 46. Bxe2 Bxe2 47. Kxe2 f3+ 48. Kf2 g4 49. a4 bxa4 50. bxa4 Kd3 51. h3 h5 0-1

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "4"]
[White "Machado, Rafael Pereira"]
[Black "Claverie, Raul Ricardo"]
[Result "0-1"]
[ECO "C11"]
[PlyCount "96"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. Ne2 Nc6 7. Nf3 Qb6 8. c3 Be7 9. g3 0-0 10. Bh3 Kh8 11. Qc2 f6 12. Bxe6 Ndxe5 13. Bxd5 Nxf3+ 14. Bxf3 cxd4 15. cxd4 Nxd4 16. Nxd4 Qxd4 17. Bd2 Be6 18. Qc3 Bc5 19. Qxd4 Bxd4 20. Kf1 Bh3+ 21. Bg2 Bxg2+ 22. Kxg2 Rac8 23. Bb4 Rfe8 24. Ba3 Rc2+ 25. Kh3 Bxb2 26. Rae1 Ree2 27. Rxe2 Rxe2 28. Rd1 h6 29. Bxb2 Rxb2 30. Rd7 a6 31. Rd6 a5 32. Rd5 a4 33. Rd4 a3 34. Rd3 Rxa2 35. Rb3 h5 36. Rxb7 Rb2 37. Ra7 a2 38. f5 Kh7 39. Ra8 Kh6 40. Ra7 Rc2 41. Ra4 Kg5 42. Ra5 Rb2 43. g4 hxg4+ 44. Kg3 Rc2 45. Ra4 Kxf5 46. Rf4+ Ke5 47. Ra4 Rc3+ 48. Kxg4 Rc4+ 0-1

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "3"]
[White "Machado, Rafael Pereira"]
[Black "Paludo, Leonardo"]
[Result "1-0"]
[ECO "B34"]
[PlyCount "79"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 0-0 8. f3 e6 9. 0-0-0 d5 10. Kb1 e5 11. Nxc6 bxc6 12. exd5 cxd5 13. Nxd5 Nxd5 14. Qxd5 Qxd5 15. Rxd5 Be6 16. Rb5 Rab8 17. Bxa7 Rxb5 18. Bxb5 Ra8 19. Be3 Bxa2+ 20. Kc1 Be6 21. Rd1 Ra1+ 22. Kd2 Rxd1+ 23. Kxd1 f5 24. Ke2 e4 25. b4 g5 26. fxe4 h6 27. exf5 Bxf5 28. c4 Bf8 29. c5 Bg4+ 30. Kd2 Be6 31. Bc6 Bc8 32. Bd5+ Kg7 33. Bd4+ Kg6 34. b5 Bxc5 35. Bxc5 Kf6 36. Bd6 Be6 37. Bxe6 Kxe6 38. Bc7 Kd7 39. b6 Kc8 40. Kd3 1-0

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "2"]
[White "Machado, Rafael Pereira"]
[Black "Roberts, Eduardo"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "112"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Bf5 7. Nf3 Be7 8. Be2 0-0 9. 0-0 Bf6 10. Bd3 Bg4 11. Be4 c6 12. Qd3 h6 13. Rd1 Na6 14. a3 Nc7 15. c5 dxc5 16. dxc5 Bxc3 17. cxb6 Nb5 18. bxc3 Nxc3 19. Qxd8 Rfxd8 20. Rxd8+ Rxd8 21. Bc2 Bxf3 22. gxf3 Ne2+ 23. Kf1 Nxc1 24. Rxc1 axb6 25. Rd1 Rxd1+ 26. Bxd1 f6 27. Bb3+ Kf8 28. Be6 b5 29. Bc8 b6 30. Bd7 b4 31. axb4 c5 32. bxc5 bxc5 33. Be6 Ke7 34. Bc4 Kd6 35. Ke2 Ke5 36. Ke3 Kf5 37. Bd5 Kg5 38. Ke4 Kh4 39. Kf5 Kh3 40. Kg6 Kxh2 41. f4 Kh3 42. f5 Kg4 43. Bc4 Kf4 44. Bd3 Ke5 45. Kxg7 h5 46. f4+ Kd4 47. Bf1 c4 48. Bxc4 Kxc4 49. Kxf6 h4 50. Ke7 h3 51. f6 h2 52. f7 h1Q 53. f8Q Qe4+ 54. Kd7 Qb7+ 55. Ke6 Qe4+ 56. Kd6 Qd5+ 1/2-1/2

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "5"]
[White "Machado, Rafael Pereira"]
[Black "Zapata, Diego"]
[Result "1/2-1/2"]
[ECO "B17"]
[PlyCount "116"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng3 e6 7. Bf4 Nb6 8. Be2 Bd6 9. Bxd6 Qxd6 10. Nf3 0-0 11. 0-0 Qc7 12. c3 Nbd5 13. Qc2 b5 14. Ne4 Nxe4 15. Qxe4 Nf6 16. Qh4 Bb7 17. Bd3 c5 18. Ne5 h6 19. Bxb5 cxd4 20. cxd4 Qd6 21. Rfd1 Bxg2 22. Kxg2 Qd5+ 23. Kh3 Qxb5 24. Rg1 Nh7 25. Qxh6 g6 26. Rxg6+ fxg6 27. Qxg6+ Kh8 28. Rg1 Qb7 29. Qh5 Rf6 30. Ng6+ Rxg6 31. Rxg6 Qd5 32. Qxd5 exd5 33. Kg3 Rb8 34. b3 Rb4 35. Rg4 Nf6 36. Rg6 Ne4+ 37. Kf4 Rxd4 38. Ke5 Rd2 39. Ra6 Nxf2 40. Rxa7 Ng4+ 41. Kf5 Nxh2 42. Kg5 d4 43. a4 Rb2 44. Kg6 Rg2+ 45. Kf5 d3 46. Rd7 d2 47. Kf4 Re2 48. a5 Nf1 49. a6 Re1 50. b4 Rb1 51. Kf3 d1Q+ 52. Rxd1 Rxd1 53. b5 Ra1 54. Ke4 Ra5 55. Kd5 Rxb5+ 56. Kc6 Ra5 57. Kb7 Ne3 58. a7 Nc4 1/2-1/2

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "5"]
[White "Santos Izquierdo, Daniel"]
[Black "Machado, Rafael Pereira"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2225"]
[PlyCount "62"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. b3 bxc4 5. bxc4 d6 6. Nc3 g6 7. Nf3 Bg7 8. e4 Nbd7 9. Rb1 0-0 10. Bd3 Ng4 11. Qc2 Ba6 12. 0-0 Nge5 13. Nxe5 Nxe5 14. Ne2 Rb8 15. Bf4 Qc7 16. Bxe5 Bxe5 17. f4 Bg7 18. Ng3 Rxb1 19. Rxb1 Rb8 20. Rxb8+ Qxb8 21. Qb3 Qc7 22. f5 Bd4+ 23. Kf1 Qa5 24. Qc2 Bc8 25. h4 Bd7 26. h5 Ba4 27. Qe2 Qc3 28. hxg6 Qc1+ 29. Qe1 Qf4+ 30. Ke2 Qe3+ 31. Kf1 Qg1+ 0-1

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "2"]
[White "Stefani, Vinicius"]
[Black "Machado, Rafael Pereira"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "82"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. b3 Ne4 6. c3 d5 7. d3 Nf6 8. Nbd2 Bg4 9. Bb2 Nbd7 10. c4 e6 11. Qc2 c5 12. cxd5 exd5 13. e4 d4 14. Nc4 Qc7 15. h3 Bxf3 16. Bxf3 b5 17. e5 bxc4 18. Bxa8 cxd3 19. Qd2 Rxa8 20. exf6 Bxf6 21. Qxd3 Qc6 22. Rfe1 Ne5 23. Qe4 Nf3+ 24. Kh1 Qxe4 25. Rxe4 Bg7 26. Rc1 Rc8 27. Re7 a6 28. Ra7 Re8 29. Rxc5 d3 30. Bxg7 d2 31. Rd5 Kxg7 32. Kg2 Re5 33. Rdd7 Re7 34. Kxf3 d1Q+ 35. Rxd1 Rxa7 36. a4 Rb7 37. Rd3 Rb6 38. Ke4 Kf6 39. f4 Ke6 40. g4 Rb4+ 41. Kf3 h6 1/2-1/2

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "6"]
[White "Stiegemeier, Marcelo"]
[Black "Machado, Rafael Pereira"]
[Result "0-1"]
[ECO "A27"]
[PlyCount "85"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 d6 8. Bg2 Bd7 9. 0-0 Rb8 10. Qc2 Nf6 11. Bg5 Qc8 12. Ne4 Ng4 13. Rab1 h6 14. f3 Bd4+ 15. Kh1 Nxh2 16. Bf6 Nxf1 17. Bxd4 Nxg3+ 18. Nxg3 0-0 19. Qd2 g5 20. f4 c5 21. Bf6 Bh3 22. fxg5 Qg4 23. Kh2 Bxg2 24. Kxg2 h5 25. Rh1 h4 26. Qc3 Rfe8 27. Kf2 Re6 28. Qf3 Qxg3+ 29. Qxg3 Rxf6+ 30. Qf3 Rxf3+ 31. Kxf3 Rxb2 32. Rxh4 Rxa2 33. Re4 Kf8 34. Rf4 Kg7 35. Ke4 Rxe2+ 36. Kd5 Re5+ 37. Kc6 Rxg5 38. Kxc7 Rg6 39. Kb7 a5 40. Rf3 Rg4 41. Rc3 f5 42. Kc6 Rd4 43. Kb5 0-1

[Event "Jaragua do Sul TSC 19th"]
[Site "Jaragua do Sul"]
[Date "1996.04.??"]
[Round "2"]
[White "Paes Andrade, Manoel"]
[Black "Machado, Rafael Pereira"]
[Result "1-0"]
[ECO "E10"]
[PlyCount "27"]
[EventDate "1996.04.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 g6 4. Nc3 Bb4 5. Bg5 0-0 6. e4 h6 7. Bxh6 Nxe4 8. Qc2 Bxc3+ 9. bxc3 Nxf2 10. Qxf2 Re8 11. Bd3 Nc6 12. 0-0 d5 13. Ne5 dxc4 14. Qxf7+ 1-0

